Lübeck City Hall, detail of the arcade porch building in front of the southern shield wall

construction of Romanesque structure

reconstruction after the fire of 1251 in Early Gothic style and extension (including arcade porch and Grawanthus)

construction of the Long House

demolition of the main building and new construction

redesign of the shield wall with three turrets

addition of the new chamber (Neues Gemach)

Gothic arcade porch is replaced by a new Renaissance building

addition of the Neue Gemach stairways